51010012 has 6 divisors (see below), whose sum is σ = 89267528. Its totient is φ = 25505004.

The previous prime is 51009967. The next prime is 51010019. The reversal of 51010012 is 21001015.

It is a happy number.

51010012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51010019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376248 + ... + 6376255.

Almost surely, 2^51010012 is an apocalyptic number.

It is an amenable number.

51010012 is a deficient number, since it is larger than the sum of its proper divisors (38257516).

51010012 is a wasteful number, since it uses less digits than its factorization.

51010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12752507 (or 12752505 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 51010012 is about 7142.1293743533. The cubic root of 51010012 is about 370.8672425276.

Adding to 51010012 its reverse (21001015), we get a palindrome (72011027).

The spelling of 51010012 in words is "fifty-one million, ten thousand, twelve".